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Cheap flights from Seattle to Ireland from €182

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Ireland departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Aer Lingus Logo
19:35 - 12:40SEA-DUB
9h 05mdirect
Aer Lingus Logo
16:30 - 18:20DUB-SEA
9h 50mdirect
€325Aer Lingus
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Mon, 20 Oct - Wed, 5 Nov
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
€326Icelandair
Find Deal
Mon, 17 Nov - Tue, 25 Nov
Air Canada Logo
19:15 - 07:45SEA-DUB
28h 30m1 stop
Air Canada Logo
09:00 - 22:06DUB-SEA
45h 06m2 stops
€369Air Canada
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Mon, 20 Oct - Wed, 5 Nov
British Airways Logo
13:25 - 12:10SEA-DUB
14h 45m1 stop
British Airways Logo
10:55 - 16:55DUB-SEA
14h 00m1 stop
€375British Airways
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Tue, 11 Nov - Tue, 18 Nov
Air Canada Logo
14:55 - 07:45SEA-DUB
32h 50m1 stop
Air Canada Logo
09:00 - 14:26DUB-SEA
37h 26m2 stops
€376Air Canada
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Mon, 20 Oct - Wed, 5 Nov
United Airlines Logo
10:53 - 08:10SEA-DUB
13h 17m1 stop
United Airlines Logo
09:00 - 11:30DUB-SEA
34h 30m2 stops
€390United Airlines
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Wed, 12 Nov - Wed, 26 Nov
United Airlines Logo
10:53 - 10:20SEA-DUB
15h 27m2 stops
United Airlines Logo
09:00 - 11:30DUB-SEA
34h 30m2 stops
€394United Airlines
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Wed, 12 Nov - Wed, 26 Nov
British Airways Logo
18:50 - 17:00SEA-DUB
14h 10m1 stop
British Airways Logo
12:45 - 18:20DUB-SEA
13h 35m1 stop
€399British Airways
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Wed, 26 Nov - Wed, 15 Apr
Logo
07:00 - 08:15SEA-DUB
17h 15m2 stops
Logo
09:00 - 21:56DUB-SEA
20h 56m1 stop
€402
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Mon, 20 Oct - Wed, 5 Nov
Logo
13:30 - 14:40SEA-ORK
17h 10m1 stop
Logo
17:05 - 16:05ORK-SEA
31h 00m1 stop
€591
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Wed, 17 Sep - Wed, 8 Oct

Aer Lingus flights from Seattle to Ireland

Our best Aer Lingus deals on Seattle to Ireland flight tickets
Aer Lingus
20 Oct
SEA19:35Seattle/Tacoma Intl
9h 05m
DUB12:40Dublin
5 Nov
DUB16:30Dublin
9h 50m
SEA18:20Seattle/Tacoma Intl
€325
Find similar
Aer Lingus
21 Sept
SEA19:35Seattle/Tacoma Intl
9h 00m
DUB12:35Dublin
7 Oct
DUB16:10Dublin
9h 40m
SEA17:50Seattle/Tacoma Intl
€328
Find similar
Aer Lingus
21 Sept
SEA19:35Seattle/Tacoma Intl
9h 00m
DUB12:35Dublin
7 Oct
DUB16:10Dublin
9h 40m
SEA17:50Seattle/Tacoma Intl
€330
Find similar

Icelandair flights from Seattle to Ireland

Our best Icelandair deals on Seattle to Ireland flight tickets
Icelandair
17 Nov
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
25 Nov
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€326
Find similar
Icelandair
2 Nov
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
15 Nov
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€337
Find similar
Icelandair
3 Dec
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
7 Dec
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€348
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momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 30 August 2025.
Use the filters below to find and compare flights from Seattle to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 20/10

19:35-12:40

Nonstop9h 05m

Dublin

Wed 5/11

16:30-18:20

Nonstop9h 50m

€325

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 17/11

14:35-10:15

1 stop11h 40m

Dublin

Tue 25/11

11:30-17:00

1 stop13h 30m

€326

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 20/10

19:15-07:45

1 stop28h 30m

Dublin

Wed 5/11

09:00-22:06

2 stops45h 06m

€369

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 11/11

13:25-12:10

1 stop14h 45m

Dublin

Tue 18/11

10:55-16:55

1 stop14h 00m

€375

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 20/10

14:55-07:45

1 stop32h 50m

Dublin

Wed 5/11

09:00-14:26

2 stops37h 26m

€376

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 12/11

10:53-08:10

1 stop13h 17m

Dublin

Wed 26/11

09:00-11:30

2 stops34h 30m

€390

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 12/11

10:53-10:20

2 stops15h 27m

Dublin

Wed 26/11

09:00-11:30

2 stops34h 30m

€394

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 26/11

18:50-17:00

1 stop14h 10m

Dublin

Wed 15/4

12:45-18:20

1 stop13h 35m

€399

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 20/10

07:00-08:15

2 stops17h 15m

Dublin

Wed 5/11

09:00-21:56

1 stop20h 56m

€402

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Wed 17/9

13:30-14:40

1 stop17h 10m

Cork

Wed 8/10

17:05-16:05

1 stop31h 00m

€591

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Seattle to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

The month of November is another great option to travel to Ireland, with average flight prices from Seattle averaging around €435.

What is the cheapest Seattle/Tacoma Intl to Ireland flight route?

Fly from Seattle/Tacoma Intl to Dublin for the best Seattle/Tacoma Intl - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €563 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Seattle for as low as €486 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Ireland flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Seattle to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Ireland

Fastest flight time

9h 00m

Direct flights

Every day

Airports in Ireland

1 airport
The fastest flight from Seattle to Ireland takes 9h 00m
Direct flights go from Seattle to Ireland every day.
There is 1 airport near Ireland: Dublin (DUB)
Search flight deals

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Ireland?

    Prices for flights from Seattle/Tacoma Intl Airport to Ireland are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Ireland?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Ireland for you.

Can I find flights from Seattle to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Ireland?

momondo helps you find the best flight between Seattle and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Ireland right now. Can momondo alert me if prices change?

Price alerts on flights to Ireland from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €40
Flights to Corkfrom €118
Flights to Shannon, Clarefrom €117
Flights to Donegalfrom €231
Flights to Milltown (Kerry)from €40